package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

public class FISDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("fos.dat");




        int d = fis.read();
        int d1 = fis.read();
        int d2 = fis.read();
        d = fis.read();
//
//        System.out.println(d);
//        System.out.println(d1);
//        System.out.println(d2);















    }
}
